Overview
Comment: | Ensure that the sqlite3_value_text() interface returns a buffer that is long enough to hold the complete string plus the zero terminator even when the input is a zeroblob. Fix for a problem detected by OSS-Fuzz. |
---|---|
Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: | 2dc7eeb5b4d2eaf1d843eda56f339fd4cc80d78e |
User & Date: | drh 2017-01-05 07:58:29 |
Context
2017-01-05
| ||
13:50 | Fix problems in trigger and foreign key handling when doing REPLACE on a WITHOUT ROWID table that has no secondary indexes. Fix for ticket [30027b613b4]. check-in: 571f166e user: drh tags: trunk | |
07:58 | Ensure that the sqlite3_value_text() interface returns a buffer that is long enough to hold the complete string plus the zero terminator even when the input is a zeroblob. Fix for a problem detected by OSS-Fuzz. check-in: 2dc7eeb5 user: drh tags: trunk | |
2017-01-04
| ||
14:53 | Adjust filename creation in test_sqllog.c so that it uses leading zeros on counters, so that files appear in order when sorted lexicographically. check-in: 8d670973 user: drh tags: trunk | |
Changes
Changes to src/vdbemem.c.
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 |
static SQLITE_NOINLINE const void *valueToText(sqlite3_value* pVal, u8 enc){ assert( pVal!=0 ); assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) ); assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) ); assert( (pVal->flags & MEM_RowSet)==0 ); assert( (pVal->flags & (MEM_Null))==0 ); if( pVal->flags & (MEM_Blob|MEM_Str) ){ pVal->flags |= MEM_Str; if( pVal->enc != (enc & ~SQLITE_UTF16_ALIGNED) ){ sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED); } if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&SQLITE_PTR_TO_INT(pVal->z)) ){ assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 ); if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){ |
> |
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 |
static SQLITE_NOINLINE const void *valueToText(sqlite3_value* pVal, u8 enc){
assert( pVal!=0 );
assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) );
assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) );
assert( (pVal->flags & MEM_RowSet)==0 );
assert( (pVal->flags & (MEM_Null))==0 );
if( pVal->flags & (MEM_Blob|MEM_Str) ){
if( ExpandBlob(pVal) ) return 0;
pVal->flags |= MEM_Str;
if( pVal->enc != (enc & ~SQLITE_UTF16_ALIGNED) ){
sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED);
}
if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&SQLITE_PTR_TO_INT(pVal->z)) ){
assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 );
if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){
|